ab+9b+7=2

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Solution for ab+9b+7=2 equation:


Simplifying
ab + 9b + 7 = 2

Reorder the terms:
7 + ab + 9b = 2

Solving
7 + ab + 9b = 2

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-7' to each side of the equation.
7 + ab + -7 + 9b = 2 + -7

Reorder the terms:
7 + -7 + ab + 9b = 2 + -7

Combine like terms: 7 + -7 = 0
0 + ab + 9b = 2 + -7
ab + 9b = 2 + -7

Combine like terms: 2 + -7 = -5
ab + 9b = -5

Add '-9b' to each side of the equation.
ab + 9b + -9b = -5 + -9b

Combine like terms: 9b + -9b = 0
ab + 0 = -5 + -9b
ab = -5 + -9b

Divide each side by 'b'.
a = -5b-1 + -9

Simplifying
a = -5b-1 + -9

Reorder the terms:
a = -9 + -5b-1

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